mater

noun3

1. •
   (humorous) Mother.

   • Their maters are all pals of my mater’s, and I don’t want to get them into trouble for aiding and abetting my little show, if you understand what I mean. — 1919
2. •
   A meninx; the dura mater, arachnoid mater, or pia mater of the brain.
3. •
   Someone or something that mates.